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Describe the characteristics of single replacement reaction, how it is identified, and what determines if this reaction will occur. Give an example in your response.
Explain why your results (2) indicate that the electron behavior of atoms of elements with more than one electron is not well described by equation 1, if Bohr's picture of the atom is correct.
A student is given four solid samples labeled W, X, Y, and Z. All have a metallic luster. She is told that the solids could be gold, lead sulfide, mica (which is quartz or SiO2), and iodine.
What is the temperature of the sample, in degree celsius? can you please show steps?
If 2.55 mol of ethane (C2H6) undergo combustion according to the unbalanced equation C2H6 + O2 -→ CO2 + H2O , how much oxygen is required? Answer in units of mol.
Explain what acids cause acidic precipitation. Define what are the primary pollutants that give rise to them. Explain what are their main anthropogenic sources
At a particular temperature , 35.0% of ClO2 molecules have speeds exceeding 400 m/s. If ClO2 is decomposed to Cl2 and O2 and the resulting mixture is cooled until the original temperature of the ClO2 is reached
If two reactions sum to an overall reaction, and the equilibrium constants for the two reactions are and , what is the equilibrium constant for the overall reaction
What volume of oxygen gas at 320. K and 680. torr will react completely with 2.50 L of NO gas at the same temperature and pressure
Write the expression for the equilibrium constant for the reaction represented by the equation. CaCO3(s) ? Ca2+(aq) + CO3 -(aq). Is Kc > 1,
If 4.00 grams of NaOH is added to 1.00 L of the solution in #1 (assume no volume change), what is the pH of the resulting solution
calculate the concentration of sodium benzoate must be present in a 0.20 M solution of benzoic acid
Compare the electrical conductibities of Sodium Chloride (NaCl), ammonium nitrate (NH4NO3), calcium sulfate (CaSO4), and distilled water. Account for any differences noted in the electrical conductivities of these compounds.
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